Home / 71,123.02-98,151.18-38,859.63

Finding the Fourth Proportional to 71,123.02, 98,151.18 and 38,859.63

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Solution

The fourth proportional to 71,123.02, 98,151.18 and 38,859.63 is: 53,627.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,123.02 : 98,151.18 = 38,859.63 : x
  2. Step 2: Convert to fraction form
    71,123.02/98,151.18 = 38,859.63/x
  3. Step 3: Cross multiply
    71,123.02x = 98,151.18 × 38,859.63
  4. Step 4: Simplify right side
    71,123.02x = 3,814,118,805.57
  5. Step 5: Solve for x
    x = 3,814,118,805.57/71,123.02
  6. Step 6: Final answer
    x = 53,627.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.